<h1 id="hh"></h1>

<script>
  let obj = {
    name: "lilei",
    age: "30",
  };

  let arr = [1, 2, 3, 4, 5];

  let proxyObj = new Proxy(obj, {
    get(target, key) {
      // console.log(target, key)
      // console.log('属性被访问了')
      return Reflect.get(target, key);
    },
    set(target, key, value) {
      console.log("value", value);
      console.log("属性被设置了");
      target[key] = value;
      document.getElementById("hh").innerHTML = value;
    },
  });
</script>
